Decapitated copperhead bites self

"It finally quit movin' though, now that it bit itself," says our intrepid narrator. And that, writes wildlife ecologist David Steen, could have something to do with the fact that a decapitated copperhead head can still inject venom. More importantly, if it did, the rest of the snake's body likely wouldn't have any special defense against that venom.
Decapitated copperhead bites self